Add a boolean to cinder::gl::Fbo::readPixels8u and cinder::gl::Fbo::r…#2218

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willemkempers:fbo-readPixels-disable-alpha

Commits on Jan 25, 2021

Add a boolean to cinder::gl::Fbo::readPixels8u and cinder::gl::Fbo::readPixels32f to enable or disable the alpha channel in the returned Surface8u or Surface32f
willemkempers
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